Home / 8,640.73-11,924.33-5,103.93

Finding the Fourth Proportional to 8,640.73, 11,924.33 and 5,103.93

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Solution

The fourth proportional to 8,640.73, 11,924.33 and 5,103.93 is: 7,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.73 : 11,924.33 = 5,103.93 : x
  2. Step 2: Convert to fraction form
    8,640.73/11,924.33 = 5,103.93/x
  3. Step 3: Cross multiply
    8,640.73x = 11,924.33 × 5,103.93
  4. Step 4: Simplify right side
    8,640.73x = 60,860,945.62
  5. Step 5: Solve for x
    x = 60,860,945.62/8,640.73
  6. Step 6: Final answer
    x = 7,043.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.